Sconce



FIG. 1 is an isometric view of a sconce showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing the sconce is for the purpose of illustrating the environment of the sconce and forms no part of the claimed design. 

The ornamental design for a sconce, as shown. 